| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [conj] it is [verb] | 584 |
|
| 2 | [adv] [conj] it is [vb pp] | 494 |
|
| 3 | [adv] [conj] it [be] known | 15 |
|
| 4 | [adv] [conj] it be known | 15 |
|
| 5 | [adv] [conj] [pron] is known | 10 |
|
| 6 | [adv] [conj] it [is] known | 9 |
|
| 7 | [adv] [conj] it is know | 9 |
|
